Planktonic ostracods off the north-central coast of Chile

In the north-central zone of Chile (25[deegees]00'-31[deegees]40'S), zooplankton samples were taken in 103 oceanographic stations during February-March 2017 (0-70 m). Ostracods were separated, identified, and counted, making it possible to determine their distribution, abundance, species r...

Full description

Saved in:
Bibliographic Details
Published in:Latin american journal of aquatic research 2022-03, Vol.50 (1), p.68-77
Main Authors: Mujica, Armando, Nava, Maria Luisa, Dietz, Francisco Leiva
Format: Article
Language:English
Subjects:
Abundance
Coasts
Darkness
Dominant species
FISHERIES
Geographical distribution
Identification
MARINE & FRESHWATER BIOLOGY
Oceanographic stations
OCEANOGRAPHY
Ostracoda
Plankton
Ports
Species diversity
Species richness
Zooplankton
Citations: Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In the north-central zone of Chile (25[deegees]00'-31[deegees]40'S), zooplankton samples were taken in 103 oceanographic stations during February-March 2017 (0-70 m). Ostracods were separated, identified, and counted, making it possible to determine their distribution, abundance, species richness, and diversity. Twentyone species belonging to 12 genera of the Halocyprididae family were identified, three of which had not been previously reported for the southeastern Pacific (Conchoecetta acuminata, Mikroconchoecia stigmatica, and Orthoconchoecia atlantica). The highest abundances, species richness, and diversity were found mainly in stations away from the coast (10 and 20 nm), sampled in hours of darkness. The most abundant species with the highest frequency of occurrence were Archiconchoecia striata, Conchoecetta giesbrechti, Conchoecia magna, and Halocypris inflata. A. striata constituted more than 50% of the total abundance of the ostracods identified.
ISSN:0718-560X
0718-560X
DOI:10.3856/vol50-issue1-fulltext-2748